Thermo Scientific 42iQHL Instruction Manual page 139

Operation
Settings
Register 1–8 The Register 1–8 screen allows the user to select the measured value to be
logged in the corresponding register location. The register numbers
corresponding to each measured value (appearing after the register name in
the selection) will preface the measured value in the response to the "DA"
command.
Use the  and  buttons to scroll through the registers. Select the
variable to log by pressing the corresponding cell. The list is based on the
instrument's configuration.
Home Screen>Settings>Communications>Bayern Hessen
Settings>Register 1–8
Thermo Scientific 42iQHL Instruction Manual 3-111